<!DOCTYPE html>
<html lang="en-US">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1">
    <title>[Note]JavaScript面向对象编程指南 | Plana(方案A)</title>
    <meta name="generator" content="VuePress 1.5.2">
    <link rel="icon" href="https://luo0412.gitee.io/static/images/logo/favicon.ico">
    <script src="http://apps.bdimg.com/libs/jquery/1.11.3/jquery.min.js"></script>
    <script>$(function () {
    $(".navbar .dropdown-wrapper .title").each(function (index, item) {
        var title = $(item).text() || ""
        console.log(title)
        var index = title.indexOf("(")
        if (index > -1) {
            $(item).text(title.slice(0, index))
        }
    })
})

((window.gitter = {}).chat = {}).options = {
    room: 'luo0412/plana'
};</script>
    <script src="https://sidecar.gitter.im/dist/sidecar.v1.js"></script>
    <meta name="description" content="方案A">
    <link rel="preload" href="/plana/assets/css/0.styles.e9cba6b3.css" as="style"><link rel="preload" href="/plana/assets/js/app.26a35d46.js" as="script"><link rel="preload" href="/plana/assets/js/2.b5bc497d.js" as="script"><link rel="preload" href="/plana/assets/js/324.059197e5.js" as="script"><link rel="prefetch" href="/plana/assets/js/10.76967f04.js"><link rel="prefetch" href="/plana/assets/js/100.5188df2c.js"><link rel="prefetch" href="/plana/assets/js/101.d84c20f9.js"><link rel="prefetch" href="/plana/assets/js/102.dcbad92b.js"><link rel="prefetch" href="/plana/assets/js/103.cbf31594.js"><link rel="prefetch" href="/plana/assets/js/104.227d809c.js"><link rel="prefetch" href="/plana/assets/js/105.4690789d.js"><link rel="prefetch" href="/plana/assets/js/106.76527743.js"><link rel="prefetch" href="/plana/assets/js/107.d6e3a4d6.js"><link rel="prefetch" href="/plana/assets/js/108.6e4c8bfc.js"><link rel="prefetch" href="/plana/assets/js/109.fc12471e.js"><link rel="prefetch" href="/plana/assets/js/11.569e93dd.js"><link rel="prefetch" href="/plana/assets/js/110.85c3d834.js"><link rel="prefetch" href="/plana/assets/js/111.9c605bc7.js"><link rel="prefetch" href="/plana/assets/js/112.12b9e5d6.js"><link rel="prefetch" href="/plana/assets/js/113.21ac7878.js"><link rel="prefetch" href="/plana/assets/js/114.e4dd9de7.js"><link rel="prefetch" href="/plana/assets/js/115.8600fa46.js"><link rel="prefetch" href="/plana/assets/js/116.043898d2.js"><link rel="prefetch" href="/plana/assets/js/117.5c6253ed.js"><link rel="prefetch" href="/plana/assets/js/118.0deaa07b.js"><link rel="prefetch" href="/plana/assets/js/119.0e1b78e7.js"><link rel="prefetch" href="/plana/assets/js/12.f97471e0.js"><link rel="prefetch" href="/plana/assets/js/120.da2dcbe4.js"><link rel="prefetch" href="/plana/assets/js/121.b67072a1.js"><link rel="prefetch" href="/plana/assets/js/122.4438dfd8.js"><link rel="prefetch" href="/plana/assets/js/123.ffb881d0.js"><link rel="prefetch" href="/plana/assets/js/124.ae643d5d.js"><link rel="prefetch" href="/plana/assets/js/125.782ff172.js"><link rel="prefetch" href="/plana/assets/js/126.9cb23b0a.js"><link rel="prefetch" href="/plana/assets/js/127.2c5e040e.js"><link rel="prefetch" href="/plana/assets/js/128.f96c3297.js"><link rel="prefetch" href="/plana/assets/js/129.379dad87.js"><link rel="prefetch" href="/plana/assets/js/13.40058c53.js"><link rel="prefetch" href="/plana/assets/js/130.f350d8cd.js"><link rel="prefetch" href="/plana/assets/js/131.9b494f44.js"><link rel="prefetch" href="/plana/assets/js/132.8a6c409e.js"><link rel="prefetch" href="/plana/assets/js/133.c691db55.js"><link rel="prefetch" href="/plana/assets/js/134.e8d8a94a.js"><link rel="prefetch" href="/plana/assets/js/135.c95a1ef6.js"><link rel="prefetch" href="/plana/assets/js/136.bdd4250b.js"><link rel="prefetch" href="/plana/assets/js/137.539d6db6.js"><link rel="prefetch" href="/plana/assets/js/138.c16e3cc1.js"><link rel="prefetch" href="/plana/assets/js/139.7a1243ca.js"><link rel="prefetch" href="/plana/assets/js/14.880c2d4f.js"><link rel="prefetch" href="/plana/assets/js/140.6ed0a182.js"><link rel="prefetch" href="/plana/assets/js/141.a984158d.js"><link rel="prefetch" href="/plana/assets/js/142.e094f73f.js"><link rel="prefetch" href="/plana/assets/js/143.760a5510.js"><link rel="prefetch" href="/plana/assets/js/144.212ede62.js"><link rel="prefetch" href="/plana/assets/js/145.2e06e4c9.js"><link rel="prefetch" href="/plana/assets/js/146.16713494.js"><link rel="prefetch" href="/plana/assets/js/147.7b0585c3.js"><link rel="prefetch" href="/plana/assets/js/148.ae82990b.js"><link rel="prefetch" href="/plana/assets/js/149.73a7c703.js"><link rel="prefetch" href="/plana/assets/js/15.5364aa14.js"><link rel="prefetch" href="/plana/assets/js/150.fec18e0b.js"><link rel="prefetch" href="/plana/assets/js/151.14bf6cea.js"><link rel="prefetch" href="/plana/assets/js/152.17f17b04.js"><link rel="prefetch" href="/plana/assets/js/153.ba7c5f21.js"><link rel="prefetch" href="/plana/assets/js/154.d3340db4.js"><link rel="prefetch" href="/plana/assets/js/155.2bf1dbde.js"><link rel="prefetch" href="/plana/assets/js/156.70d23de7.js"><link rel="prefetch" href="/plana/assets/js/157.93a62465.js"><link rel="prefetch" href="/plana/assets/js/158.bf486b60.js"><link rel="prefetch" href="/plana/assets/js/159.f19e7955.js"><link rel="prefetch" href="/plana/assets/js/16.e96c9bd3.js"><link rel="prefetch" href="/plana/assets/js/160.3dc61d59.js"><link rel="prefetch" href="/plana/assets/js/161.0fff4227.js"><link rel="prefetch" href="/plana/assets/js/162.70526488.js"><link rel="prefetch" href="/plana/assets/js/163.faa79f0a.js"><link rel="prefetch" href="/plana/assets/js/164.9c80b5bb.js"><link rel="prefetch" href="/plana/assets/js/165.7f9b0124.js"><link rel="prefetch" href="/plana/assets/js/166.36435978.js"><link rel="prefetch" href="/plana/assets/js/167.feea7028.js"><link rel="prefetch" href="/plana/assets/js/168.cc504d5f.js"><link rel="prefetch" href="/plana/assets/js/169.ec7d4b8a.js"><link rel="prefetch" href="/plana/assets/js/17.07c08387.js"><link rel="prefetch" href="/plana/assets/js/170.a8b4b58d.js"><link rel="prefetch" href="/plana/assets/js/171.2329fa88.js"><link rel="prefetch" href="/plana/assets/js/172.286ac28f.js"><link rel="prefetch" href="/plana/assets/js/173.a692852e.js"><link rel="prefetch" href="/plana/assets/js/174.a39922f0.js"><link rel="prefetch" href="/plana/assets/js/175.b47f1b23.js"><link rel="prefetch" href="/plana/assets/js/176.86486ead.js"><link rel="prefetch" href="/plana/assets/js/177.40f1c5b7.js"><link rel="prefetch" href="/plana/assets/js/178.7a9ca10d.js"><link rel="prefetch" href="/plana/assets/js/179.19051ac2.js"><link rel="prefetch" href="/plana/assets/js/18.e433f8d3.js"><link rel="prefetch" href="/plana/assets/js/180.57d0c928.js"><link rel="prefetch" href="/plana/assets/js/181.00da0f3d.js"><link rel="prefetch" href="/plana/assets/js/182.cadb79df.js"><link rel="prefetch" href="/plana/assets/js/183.8dd3881a.js"><link rel="prefetch" href="/plana/assets/js/184.1222a110.js"><link rel="prefetch" href="/plana/assets/js/185.7d9330c8.js"><link rel="prefetch" href="/plana/assets/js/186.d6ddbb60.js"><link rel="prefetch" href="/plana/assets/js/187.f19bfcc2.js"><link rel="prefetch" href="/plana/assets/js/188.b801053a.js"><link rel="prefetch" href="/plana/assets/js/189.9bf68bd8.js"><link rel="prefetch" href="/plana/assets/js/19.0f82fe28.js"><link rel="prefetch" href="/plana/assets/js/190.158c0b50.js"><link rel="prefetch" href="/plana/assets/js/191.cdca9aef.js"><link rel="prefetch" href="/plana/assets/js/192.84164400.js"><link rel="prefetch" href="/plana/assets/js/193.6fee8315.js"><link rel="prefetch" href="/plana/assets/js/194.646a3bc9.js"><link rel="prefetch" href="/plana/assets/js/195.f63862f4.js"><link rel="prefetch" href="/plana/assets/js/196.4b0d972c.js"><link rel="prefetch" href="/plana/assets/js/197.e706ce3c.js"><link rel="prefetch" href="/plana/assets/js/198.8b9720bf.js"><link rel="prefetch" href="/plana/assets/js/199.49a5e793.js"><link rel="prefetch" href="/plana/assets/js/20.619cb712.js"><link rel="prefetch" href="/plana/assets/js/200.ef546dd9.js"><link rel="prefetch" href="/plana/assets/js/201.479054ec.js"><link rel="prefetch" href="/plana/assets/js/202.0b3389ee.js"><link rel="prefetch" href="/plana/assets/js/203.22150890.js"><link rel="prefetch" href="/plana/assets/js/204.2dc71336.js"><link rel="prefetch" href="/plana/assets/js/205.e377c245.js"><link rel="prefetch" href="/plana/assets/js/206.1ace4feb.js"><link rel="prefetch" href="/plana/assets/js/207.323fa10a.js"><link rel="prefetch" href="/plana/assets/js/208.e353a6ec.js"><link rel="prefetch" href="/plana/assets/js/209.316ac6f0.js"><link rel="prefetch" href="/plana/assets/js/21.d91a849c.js"><link rel="prefetch" href="/plana/assets/js/210.d4f18535.js"><link rel="prefetch" href="/plana/assets/js/211.573c492b.js"><link rel="prefetch" href="/plana/assets/js/212.b2a16387.js"><link rel="prefetch" href="/plana/assets/js/213.c2fac0b1.js"><link rel="prefetch" href="/plana/assets/js/214.79b62576.js"><link rel="prefetch" href="/plana/assets/js/215.fe6c3e10.js"><link rel="prefetch" href="/plana/assets/js/216.18f410e2.js"><link rel="prefetch" href="/plana/assets/js/217.20c9e9eb.js"><link rel="prefetch" href="/plana/assets/js/218.a0eeeb7c.js"><link rel="prefetch" href="/plana/assets/js/219.b956aca7.js"><link rel="prefetch" href="/plana/assets/js/22.366fc766.js"><link rel="prefetch" href="/plana/assets/js/220.5ed5e277.js"><link rel="prefetch" href="/plana/assets/js/221.468f9087.js"><link rel="prefetch" href="/plana/assets/js/222.638dc5f6.js"><link rel="prefetch" href="/plana/assets/js/223.0fad689f.js"><link rel="prefetch" href="/plana/assets/js/224.61ad16fd.js"><link rel="prefetch" href="/plana/assets/js/225.91089e6c.js"><link rel="prefetch" href="/plana/assets/js/226.2f0d158a.js"><link rel="prefetch" href="/plana/assets/js/227.43288d9d.js"><link rel="prefetch" href="/plana/assets/js/228.4bff0625.js"><link rel="prefetch" href="/plana/assets/js/229.9c3666b2.js"><link rel="prefetch" href="/plana/assets/js/23.d2ecdcc9.js"><link rel="prefetch" href="/plana/assets/js/230.b52057f9.js"><link rel="prefetch" href="/plana/assets/js/231.cc0ed124.js"><link rel="prefetch" href="/plana/assets/js/232.9ad374c5.js"><link rel="prefetch" href="/plana/assets/js/233.d794c11f.js"><link rel="prefetch" href="/plana/assets/js/234.26ac8fbc.js"><link rel="prefetch" href="/plana/assets/js/235.41250663.js"><link rel="prefetch" href="/plana/assets/js/236.881374a2.js"><link rel="prefetch" href="/plana/assets/js/237.c7bd84e0.js"><link rel="prefetch" href="/plana/assets/js/238.98726af2.js"><link rel="prefetch" href="/plana/assets/js/239.9f11e102.js"><link rel="prefetch" href="/plana/assets/js/24.02b55c75.js"><link rel="prefetch" href="/plana/assets/js/240.a7cac4ef.js"><link rel="prefetch" href="/plana/assets/js/241.462a960b.js"><link rel="prefetch" href="/plana/assets/js/242.7cf42754.js"><link rel="prefetch" href="/plana/assets/js/243.b3d1619f.js"><link rel="prefetch" href="/plana/assets/js/244.40da516b.js"><link rel="prefetch" href="/plana/assets/js/245.ada0c168.js"><link rel="prefetch" href="/plana/assets/js/246.38614800.js"><link rel="prefetch" href="/plana/assets/js/247.491612a2.js"><link rel="prefetch" href="/plana/assets/js/248.23741832.js"><link rel="prefetch" href="/plana/assets/js/249.90624a3a.js"><link rel="prefetch" href="/plana/assets/js/25.96e9e495.js"><link rel="prefetch" href="/plana/assets/js/250.f5946779.js"><link rel="prefetch" href="/plana/assets/js/251.58091edf.js"><link rel="prefetch" href="/plana/assets/js/252.fbe32ae4.js"><link rel="prefetch" href="/plana/assets/js/253.1cdd8f1c.js"><link rel="prefetch" href="/plana/assets/js/254.651e7bc6.js"><link rel="prefetch" href="/plana/assets/js/255.58aaa830.js"><link rel="prefetch" href="/plana/assets/js/256.08653b0a.js"><link rel="prefetch" href="/plana/assets/js/257.18da3dda.js"><link rel="prefetch" href="/plana/assets/js/258.e639b138.js"><link rel="prefetch" href="/plana/assets/js/259.9a2ccdd8.js"><link rel="prefetch" href="/plana/assets/js/26.786f768e.js"><link rel="prefetch" href="/plana/assets/js/260.1ffec687.js"><link rel="prefetch" href="/plana/assets/js/261.6f007b8c.js"><link rel="prefetch" href="/plana/assets/js/262.eebd1210.js"><link rel="prefetch" href="/plana/assets/js/263.1672d254.js"><link rel="prefetch" href="/plana/assets/js/264.a786f2f0.js"><link rel="prefetch" href="/plana/assets/js/265.b08f361a.js"><link rel="prefetch" href="/plana/assets/js/266.6b9c1b18.js"><link rel="prefetch" href="/plana/assets/js/267.05341052.js"><link rel="prefetch" href="/plana/assets/js/268.2b47894a.js"><link rel="prefetch" href="/plana/assets/js/269.b00e1745.js"><link rel="prefetch" href="/plana/assets/js/27.d95cd926.js"><link rel="prefetch" href="/plana/assets/js/270.f09aa40d.js"><link rel="prefetch" href="/plana/assets/js/271.036eefbf.js"><link rel="prefetch" href="/plana/assets/js/272.685451a2.js"><link rel="prefetch" href="/plana/assets/js/273.489debcf.js"><link rel="prefetch" href="/plana/assets/js/274.3f824bc5.js"><link rel="prefetch" href="/plana/assets/js/275.d3661899.js"><link rel="prefetch" href="/plana/assets/js/276.0dd18e5e.js"><link rel="prefetch" href="/plana/assets/js/277.1ec17e71.js"><link rel="prefetch" href="/plana/assets/js/278.6379871f.js"><link rel="prefetch" href="/plana/assets/js/279.a0692e92.js"><link rel="prefetch" href="/plana/assets/js/28.c63f738d.js"><link rel="prefetch" href="/plana/assets/js/280.34932565.js"><link rel="prefetch" href="/plana/assets/js/281.ae742fd5.js"><link rel="prefetch" href="/plana/assets/js/282.715175d9.js"><link rel="prefetch" href="/plana/assets/js/283.9b6a3e34.js"><link rel="prefetch" href="/plana/assets/js/284.00628265.js"><link rel="prefetch" href="/plana/assets/js/285.3de0dd73.js"><link rel="prefetch" href="/plana/assets/js/286.6a2d6c2a.js"><link rel="prefetch" href="/plana/assets/js/287.74cdf243.js"><link rel="prefetch" href="/plana/assets/js/288.42fdbe73.js"><link rel="prefetch" href="/plana/assets/js/289.f4afe8dc.js"><link rel="prefetch" href="/plana/assets/js/29.84c2f6be.js"><link rel="prefetch" href="/plana/assets/js/290.6fad3c29.js"><link rel="prefetch" href="/plana/assets/js/291.b0ad0381.js"><link rel="prefetch" href="/plana/assets/js/292.888b58ac.js"><link rel="prefetch" href="/plana/assets/js/293.1ed605a6.js"><link rel="prefetch" href="/plana/assets/js/294.3af3dec3.js"><link rel="prefetch" href="/plana/assets/js/295.db08edcf.js"><link rel="prefetch" href="/plana/assets/js/296.e4837fb2.js"><link rel="prefetch" href="/plana/assets/js/297.25eb8cb6.js"><link rel="prefetch" href="/plana/assets/js/298.4948e1d0.js"><link rel="prefetch" href="/plana/assets/js/299.56ff4927.js"><link rel="prefetch" href="/plana/assets/js/3.27803fd3.js"><link rel="prefetch" href="/plana/assets/js/30.a9337659.js"><link rel="prefetch" href="/plana/assets/js/300.8dad7bd4.js"><link rel="prefetch" href="/plana/assets/js/301.1d0bd3b7.js"><link rel="prefetch" href="/plana/assets/js/302.24c7060b.js"><link rel="prefetch" href="/plana/assets/js/303.a4a7908d.js"><link rel="prefetch" href="/plana/assets/js/304.d5a32c16.js"><link rel="prefetch" href="/plana/assets/js/305.eb22a5e4.js"><link rel="prefetch" href="/plana/assets/js/306.cdaa56b9.js"><link rel="prefetch" href="/plana/assets/js/307.f7e38353.js"><link rel="prefetch" href="/plana/assets/js/308.3f3f49e6.js"><link rel="prefetch" href="/plana/assets/js/309.ba1c34b9.js"><link rel="prefetch" href="/plana/assets/js/31.f4ff74a7.js"><link rel="prefetch" href="/plana/assets/js/310.06e88629.js"><link rel="prefetch" href="/plana/assets/js/311.7cadacd8.js"><link rel="prefetch" href="/plana/assets/js/312.36004dd0.js"><link rel="prefetch" href="/plana/assets/js/313.efb51116.js"><link rel="prefetch" href="/plana/assets/js/314.55c74d14.js"><link rel="prefetch" href="/plana/assets/js/315.fc4d91f4.js"><link rel="prefetch" href="/plana/assets/js/316.dde0feb1.js"><link rel="prefetch" href="/plana/assets/js/317.ef59c7dd.js"><link rel="prefetch" href="/plana/assets/js/318.9c8514de.js"><link rel="prefetch" href="/plana/assets/js/319.e934bf23.js"><link rel="prefetch" href="/plana/assets/js/32.611da568.js"><link rel="prefetch" href="/plana/assets/js/320.2c3bf800.js"><link rel="prefetch" href="/plana/assets/js/321.2f166a58.js"><link rel="prefetch" href="/plana/assets/js/322.2727112d.js"><link rel="prefetch" href="/plana/assets/js/323.987dae09.js"><link rel="prefetch" href="/plana/assets/js/325.251603a9.js"><link rel="prefetch" href="/plana/assets/js/326.b9aa9786.js"><link rel="prefetch" href="/plana/assets/js/327.83df42f2.js"><link rel="prefetch" href="/plana/assets/js/328.437841b5.js"><link rel="prefetch" href="/plana/assets/js/329.4705178f.js"><link rel="prefetch" href="/plana/assets/js/33.04179be5.js"><link rel="prefetch" href="/plana/assets/js/330.7fefbd39.js"><link rel="prefetch" href="/plana/assets/js/331.324b88a4.js"><link rel="prefetch" href="/plana/assets/js/332.9dbc0a0f.js"><link rel="prefetch" href="/plana/assets/js/333.a9f4ba89.js"><link rel="prefetch" href="/plana/assets/js/334.bfc521ff.js"><link rel="prefetch" href="/plana/assets/js/335.ea772c69.js"><link rel="prefetch" href="/plana/assets/js/336.3c139a73.js"><link rel="prefetch" href="/plana/assets/js/337.4b7b5285.js"><link rel="prefetch" href="/plana/assets/js/338.40b3bfdb.js"><link rel="prefetch" href="/plana/assets/js/339.bf0c2419.js"><link rel="prefetch" href="/plana/assets/js/34.7d7532c6.js"><link rel="prefetch" href="/plana/assets/js/340.9ceb2f7a.js"><link rel="prefetch" href="/plana/assets/js/341.bc48efb9.js"><link rel="prefetch" href="/plana/assets/js/342.75077914.js"><link rel="prefetch" href="/plana/assets/js/343.efda7d56.js"><link rel="prefetch" href="/plana/assets/js/344.31c0f3c6.js"><link rel="prefetch" href="/plana/assets/js/345.7fb06b95.js"><link rel="prefetch" href="/plana/assets/js/346.55ccf355.js"><link rel="prefetch" href="/plana/assets/js/347.98aa9eab.js"><link rel="prefetch" href="/plana/assets/js/348.878dac49.js"><link rel="prefetch" href="/plana/assets/js/349.878acfca.js"><link rel="prefetch" href="/plana/assets/js/35.a56a078a.js"><link rel="prefetch" href="/plana/assets/js/350.67d85dec.js"><link rel="prefetch" href="/plana/assets/js/351.fe864f55.js"><link rel="prefetch" href="/plana/assets/js/352.0140a20d.js"><link rel="prefetch" href="/plana/assets/js/353.1a2bdf26.js"><link rel="prefetch" href="/plana/assets/js/354.e698b263.js"><link rel="prefetch" href="/plana/assets/js/355.69178048.js"><link rel="prefetch" href="/plana/assets/js/356.13571020.js"><link rel="prefetch" href="/plana/assets/js/357.666a6e4e.js"><link rel="prefetch" href="/plana/assets/js/358.3a859aae.js"><link rel="prefetch" href="/plana/assets/js/359.e6291586.js"><link rel="prefetch" href="/plana/assets/js/36.6b2c1c06.js"><link rel="prefetch" href="/plana/assets/js/360.553be648.js"><link rel="prefetch" href="/plana/assets/js/361.f674d762.js"><link rel="prefetch" href="/plana/assets/js/362.41696f0b.js"><link rel="prefetch" href="/plana/assets/js/363.db6b18e5.js"><link rel="prefetch" href="/plana/assets/js/364.f4ef8d66.js"><link rel="prefetch" href="/plana/assets/js/365.060bb2cd.js"><link rel="prefetch" href="/plana/assets/js/366.af8be9cf.js"><link rel="prefetch" href="/plana/assets/js/367.89b9bd1a.js"><link rel="prefetch" href="/plana/assets/js/368.4a0db9f9.js"><link rel="prefetch" href="/plana/assets/js/369.0f137c05.js"><link rel="prefetch" href="/plana/assets/js/37.a372e2ff.js"><link rel="prefetch" href="/plana/assets/js/370.d0503cfb.js"><link rel="prefetch" href="/plana/assets/js/371.a5a61f6c.js"><link rel="prefetch" href="/plana/assets/js/372.a8beeec6.js"><link rel="prefetch" href="/plana/assets/js/373.52486327.js"><link rel="prefetch" href="/plana/assets/js/374.becb79ef.js"><link rel="prefetch" href="/plana/assets/js/375.adbe845a.js"><link rel="prefetch" href="/plana/assets/js/376.0b725de7.js"><link rel="prefetch" href="/plana/assets/js/377.6d0755e8.js"><link rel="prefetch" href="/plana/assets/js/378.9899dca3.js"><link rel="prefetch" href="/plana/assets/js/379.8567246b.js"><link rel="prefetch" href="/plana/assets/js/38.bf139dae.js"><link rel="prefetch" href="/plana/assets/js/380.fff3aeb0.js"><link rel="prefetch" href="/plana/assets/js/381.5d8ddb4d.js"><link rel="prefetch" href="/plana/assets/js/382.ebb79c48.js"><link rel="prefetch" href="/plana/assets/js/383.b1d8b5be.js"><link rel="prefetch" href="/plana/assets/js/384.b8ef0439.js"><link rel="prefetch" href="/plana/assets/js/385.274ad089.js"><link rel="prefetch" href="/plana/assets/js/386.8dc07401.js"><link rel="prefetch" href="/plana/assets/js/387.aea18e98.js"><link rel="prefetch" href="/plana/assets/js/388.1ef06a0b.js"><link rel="prefetch" href="/plana/assets/js/389.9d65f18d.js"><link rel="prefetch" href="/plana/assets/js/39.5a4f8e59.js"><link rel="prefetch" href="/plana/assets/js/390.6bd12dc7.js"><link rel="prefetch" href="/plana/assets/js/391.6ef66911.js"><link rel="prefetch" href="/plana/assets/js/392.ffba56bb.js"><link rel="prefetch" href="/plana/assets/js/393.a5fc8fba.js"><link rel="prefetch" href="/plana/assets/js/394.6ab7521b.js"><link rel="prefetch" href="/plana/assets/js/395.3ab7f171.js"><link rel="prefetch" href="/plana/assets/js/396.0791500c.js"><link rel="prefetch" href="/plana/assets/js/397.28bf46c8.js"><link rel="prefetch" href="/plana/assets/js/398.7807db8d.js"><link rel="prefetch" href="/plana/assets/js/399.4d403b1b.js"><link rel="prefetch" href="/plana/assets/js/4.6af04a85.js"><link rel="prefetch" href="/plana/assets/js/40.43e4b38f.js"><link rel="prefetch" href="/plana/assets/js/400.c888a05f.js"><link rel="prefetch" href="/plana/assets/js/401.6dfdc401.js"><link rel="prefetch" href="/plana/assets/js/402.2836e580.js"><link rel="prefetch" href="/plana/assets/js/403.a8ec3c75.js"><link rel="prefetch" href="/plana/assets/js/404.5858ee05.js"><link rel="prefetch" href="/plana/assets/js/405.4fd5cbce.js"><link rel="prefetch" href="/plana/assets/js/406.059c34fc.js"><link rel="prefetch" href="/plana/assets/js/407.1991324f.js"><link rel="prefetch" href="/plana/assets/js/408.57f13ab2.js"><link rel="prefetch" href="/plana/assets/js/409.b3fdbf19.js"><link rel="prefetch" href="/plana/assets/js/41.baf41ad2.js"><link rel="prefetch" href="/plana/assets/js/410.1c66b59b.js"><link rel="prefetch" href="/plana/assets/js/411.89daa103.js"><link rel="prefetch" href="/plana/assets/js/412.5fd17d05.js"><link rel="prefetch" href="/plana/assets/js/413.67df2b20.js"><link rel="prefetch" href="/plana/assets/js/414.7c1feaab.js"><link rel="prefetch" href="/plana/assets/js/415.e07db45d.js"><link rel="prefetch" href="/plana/assets/js/416.fe7e2c62.js"><link rel="prefetch" href="/plana/assets/js/417.c9f94e9c.js"><link rel="prefetch" href="/plana/assets/js/418.18704cfc.js"><link rel="prefetch" href="/plana/assets/js/419.9f113e64.js"><link rel="prefetch" href="/plana/assets/js/42.f2884796.js"><link rel="prefetch" href="/plana/assets/js/420.2a5f3a3f.js"><link rel="prefetch" href="/plana/assets/js/421.1b110d49.js"><link rel="prefetch" href="/plana/assets/js/422.b836f5a4.js"><link rel="prefetch" href="/plana/assets/js/423.9fa437af.js"><link rel="prefetch" href="/plana/assets/js/424.0fc0a623.js"><link rel="prefetch" href="/plana/assets/js/425.4bee6afc.js"><link rel="prefetch" href="/plana/assets/js/426.036d5a1b.js"><link rel="prefetch" href="/plana/assets/js/427.f2a1aa48.js"><link rel="prefetch" href="/plana/assets/js/428.fc22796c.js"><link rel="prefetch" href="/plana/assets/js/429.b6acfba5.js"><link rel="prefetch" href="/plana/assets/js/43.7aa39e52.js"><link rel="prefetch" href="/plana/assets/js/430.ed97aa43.js"><link rel="prefetch" href="/plana/assets/js/431.2fc0d4e3.js"><link rel="prefetch" href="/plana/assets/js/432.43115b63.js"><link rel="prefetch" href="/plana/assets/js/433.a1c3b83a.js"><link rel="prefetch" href="/plana/assets/js/434.ee152248.js"><link rel="prefetch" href="/plana/assets/js/435.24976c8a.js"><link rel="prefetch" href="/plana/assets/js/436.59dd1ab1.js"><link rel="prefetch" href="/plana/assets/js/437.50136991.js"><link rel="prefetch" href="/plana/assets/js/438.5eb6bf82.js"><link rel="prefetch" href="/plana/assets/js/439.9e310ae5.js"><link rel="prefetch" href="/plana/assets/js/44.ea8da77b.js"><link rel="prefetch" href="/plana/assets/js/440.2457f927.js"><link rel="prefetch" href="/plana/assets/js/441.fbc13ad6.js"><link rel="prefetch" href="/plana/assets/js/442.d130c4b3.js"><link rel="prefetch" href="/plana/assets/js/443.1f900823.js"><link rel="prefetch" href="/plana/assets/js/444.3834d598.js"><link rel="prefetch" href="/plana/assets/js/445.16932093.js"><link rel="prefetch" href="/plana/assets/js/446.24711545.js"><link rel="prefetch" href="/plana/assets/js/447.568b3f96.js"><link rel="prefetch" href="/plana/assets/js/448.8883fa0d.js"><link rel="prefetch" href="/plana/assets/js/449.f6184633.js"><link rel="prefetch" href="/plana/assets/js/45.73a9f625.js"><link rel="prefetch" href="/plana/assets/js/450.a996511c.js"><link rel="prefetch" href="/plana/assets/js/451.1b1843f7.js"><link rel="prefetch" href="/plana/assets/js/452.0be6db8b.js"><link rel="prefetch" href="/plana/assets/js/453.2c9eca27.js"><link rel="prefetch" href="/plana/assets/js/454.43d6b922.js"><link rel="prefetch" href="/plana/assets/js/455.798dc8d2.js"><link rel="prefetch" href="/plana/assets/js/456.5294aa61.js"><link rel="prefetch" href="/plana/assets/js/457.582336be.js"><link rel="prefetch" href="/plana/assets/js/458.3ae86239.js"><link rel="prefetch" href="/plana/assets/js/459.17fe935e.js"><link rel="prefetch" href="/plana/assets/js/46.6c8e3280.js"><link rel="prefetch" href="/plana/assets/js/460.e3ca3d89.js"><link rel="prefetch" href="/plana/assets/js/461.9f892ebc.js"><link rel="prefetch" href="/plana/assets/js/462.57d0ad29.js"><link rel="prefetch" href="/plana/assets/js/463.a1965841.js"><link rel="prefetch" href="/plana/assets/js/464.d0da0b56.js"><link rel="prefetch" href="/plana/assets/js/465.6cb0dd50.js"><link rel="prefetch" href="/plana/assets/js/466.272ea41f.js"><link rel="prefetch" href="/plana/assets/js/467.9c04d6bf.js"><link rel="prefetch" href="/plana/assets/js/468.b91655c9.js"><link rel="prefetch" href="/plana/assets/js/469.e4727b4f.js"><link rel="prefetch" href="/plana/assets/js/47.3909e74a.js"><link rel="prefetch" href="/plana/assets/js/470.b11beb41.js"><link rel="prefetch" href="/plana/assets/js/471.4753cb89.js"><link rel="prefetch" href="/plana/assets/js/472.29077ff8.js"><link rel="prefetch" href="/plana/assets/js/473.a653331c.js"><link rel="prefetch" href="/plana/assets/js/474.2a8fae88.js"><link rel="prefetch" href="/plana/assets/js/475.9b78390f.js"><link rel="prefetch" href="/plana/assets/js/476.9e13c339.js"><link rel="prefetch" href="/plana/assets/js/477.05a2179e.js"><link rel="prefetch" href="/plana/assets/js/478.9c4f06c9.js"><link rel="prefetch" href="/plana/assets/js/479.559e2b93.js"><link rel="prefetch" href="/plana/assets/js/48.be057863.js"><link rel="prefetch" href="/plana/assets/js/480.ec41e7ce.js"><link rel="prefetch" href="/plana/assets/js/481.113c6aa3.js"><link rel="prefetch" href="/plana/assets/js/482.40e20309.js"><link rel="prefetch" href="/plana/assets/js/483.689e3d97.js"><link rel="prefetch" href="/plana/assets/js/484.069ebf35.js"><link rel="prefetch" href="/plana/assets/js/485.9e7bd20f.js"><link rel="prefetch" href="/plana/assets/js/486.c163809d.js"><link rel="prefetch" href="/plana/assets/js/487.acdd4863.js"><link rel="prefetch" href="/plana/assets/js/488.6075f8e7.js"><link rel="prefetch" href="/plana/assets/js/489.77207a01.js"><link rel="prefetch" href="/plana/assets/js/49.64cd900d.js"><link rel="prefetch" href="/plana/assets/js/490.2bb176f4.js"><link rel="prefetch" href="/plana/assets/js/491.07e739a2.js"><link rel="prefetch" href="/plana/assets/js/492.e07a5eee.js"><link rel="prefetch" href="/plana/assets/js/493.333ffb97.js"><link rel="prefetch" href="/plana/assets/js/494.ef208677.js"><link rel="prefetch" href="/plana/assets/js/495.a1f2d8cb.js"><link rel="prefetch" href="/plana/assets/js/496.6f6a823a.js"><link rel="prefetch" href="/plana/assets/js/497.c44b60d1.js"><link rel="prefetch" href="/plana/assets/js/498.2b898143.js"><link rel="prefetch" href="/plana/assets/js/499.366c11df.js"><link rel="prefetch" href="/plana/assets/js/5.6d71262c.js"><link rel="prefetch" href="/plana/assets/js/50.b2d0e32a.js"><link rel="prefetch" href="/plana/assets/js/500.c2769d0d.js"><link rel="prefetch" href="/plana/assets/js/501.5db31a91.js"><link rel="prefetch" href="/plana/assets/js/502.6550f71c.js"><link rel="prefetch" href="/plana/assets/js/503.bcac8e8e.js"><link rel="prefetch" href="/plana/assets/js/504.defc6a0c.js"><link rel="prefetch" href="/plana/assets/js/505.6db6e3e2.js"><link rel="prefetch" href="/plana/assets/js/506.1be6db54.js"><link rel="prefetch" href="/plana/assets/js/507.e3063e28.js"><link rel="prefetch" href="/plana/assets/js/508.9fcc5bc1.js"><link rel="prefetch" href="/plana/assets/js/509.69b407c9.js"><link rel="prefetch" href="/plana/assets/js/51.98c6fcd6.js"><link rel="prefetch" href="/plana/assets/js/510.78cc9b58.js"><link rel="prefetch" href="/plana/assets/js/511.890e750c.js"><link rel="prefetch" href="/plana/assets/js/512.54f5237b.js"><link rel="prefetch" href="/plana/assets/js/513.71e81daf.js"><link rel="prefetch" href="/plana/assets/js/514.43eff2c4.js"><link rel="prefetch" href="/plana/assets/js/515.267a0ebd.js"><link rel="prefetch" href="/plana/assets/js/516.619a751e.js"><link rel="prefetch" href="/plana/assets/js/517.7e7b4f57.js"><link rel="prefetch" href="/plana/assets/js/518.4b5b069f.js"><link rel="prefetch" href="/plana/assets/js/519.cecd2dba.js"><link rel="prefetch" href="/plana/assets/js/52.51175da9.js"><link rel="prefetch" href="/plana/assets/js/520.d61eaea1.js"><link rel="prefetch" href="/plana/assets/js/521.1bdd256d.js"><link rel="prefetch" href="/plana/assets/js/522.9eb89cb1.js"><link rel="prefetch" href="/plana/assets/js/523.c21b0f67.js"><link rel="prefetch" href="/plana/assets/js/524.e8e2b891.js"><link rel="prefetch" href="/plana/assets/js/525.5d527982.js"><link rel="prefetch" href="/plana/assets/js/526.06ac5112.js"><link rel="prefetch" href="/plana/assets/js/527.9fb3036e.js"><link rel="prefetch" href="/plana/assets/js/528.fc9e2c1b.js"><link rel="prefetch" href="/plana/assets/js/529.9334c6ad.js"><link rel="prefetch" href="/plana/assets/js/53.4db53b65.js"><link rel="prefetch" href="/plana/assets/js/530.d069e448.js"><link rel="prefetch" href="/plana/assets/js/531.6b5d9a6c.js"><link rel="prefetch" href="/plana/assets/js/532.b288face.js"><link rel="prefetch" href="/plana/assets/js/533.dd36700a.js"><link rel="prefetch" href="/plana/assets/js/534.430379e3.js"><link rel="prefetch" href="/plana/assets/js/535.5b1ec919.js"><link rel="prefetch" href="/plana/assets/js/536.62d48a69.js"><link rel="prefetch" href="/plana/assets/js/537.e4ba4cc0.js"><link rel="prefetch" href="/plana/assets/js/538.2ba0b7b5.js"><link rel="prefetch" href="/plana/assets/js/539.44d94e0a.js"><link rel="prefetch" href="/plana/assets/js/54.4ecc183c.js"><link rel="prefetch" href="/plana/assets/js/540.58126542.js"><link rel="prefetch" href="/plana/assets/js/541.8a2719d4.js"><link rel="prefetch" href="/plana/assets/js/542.63823f7d.js"><link rel="prefetch" href="/plana/assets/js/543.fd601531.js"><link rel="prefetch" href="/plana/assets/js/544.c2d41a95.js"><link rel="prefetch" href="/plana/assets/js/545.c0f15057.js"><link rel="prefetch" href="/plana/assets/js/546.752d4411.js"><link rel="prefetch" href="/plana/assets/js/547.05b54675.js"><link rel="prefetch" href="/plana/assets/js/548.9c781add.js"><link rel="prefetch" href="/plana/assets/js/549.f1400ef4.js"><link rel="prefetch" href="/plana/assets/js/55.eea26142.js"><link rel="prefetch" href="/plana/assets/js/550.1c4c183f.js"><link rel="prefetch" href="/plana/assets/js/551.a6ea4558.js"><link rel="prefetch" href="/plana/assets/js/552.0d04b29e.js"><link rel="prefetch" href="/plana/assets/js/553.5c2ddf4f.js"><link rel="prefetch" href="/plana/assets/js/554.0a16293a.js"><link rel="prefetch" href="/plana/assets/js/555.015fced4.js"><link rel="prefetch" href="/plana/assets/js/556.6a698949.js"><link rel="prefetch" href="/plana/assets/js/557.fee4398a.js"><link rel="prefetch" href="/plana/assets/js/558.20023b16.js"><link rel="prefetch" href="/plana/assets/js/559.fd760ca6.js"><link rel="prefetch" href="/plana/assets/js/56.8bddb4ea.js"><link rel="prefetch" href="/plana/assets/js/560.27c09de9.js"><link rel="prefetch" href="/plana/assets/js/561.1b28b647.js"><link rel="prefetch" href="/plana/assets/js/562.de1b62da.js"><link rel="prefetch" href="/plana/assets/js/563.3e063e33.js"><link rel="prefetch" href="/plana/assets/js/564.fbdb4383.js"><link rel="prefetch" href="/plana/assets/js/565.6ac66720.js"><link rel="prefetch" href="/plana/assets/js/566.00ccbe3d.js"><link rel="prefetch" href="/plana/assets/js/567.822ff786.js"><link rel="prefetch" href="/plana/assets/js/568.2ebcf522.js"><link rel="prefetch" href="/plana/assets/js/569.ee2e3485.js"><link rel="prefetch" href="/plana/assets/js/57.ff655a80.js"><link rel="prefetch" href="/plana/assets/js/570.a9314e9d.js"><link rel="prefetch" href="/plana/assets/js/571.af242a14.js"><link rel="prefetch" href="/plana/assets/js/572.dff86d44.js"><link rel="prefetch" href="/plana/assets/js/573.060ed316.js"><link rel="prefetch" href="/plana/assets/js/574.ecea29a4.js"><link rel="prefetch" href="/plana/assets/js/575.a526b6e0.js"><link rel="prefetch" href="/plana/assets/js/576.1a856efd.js"><link rel="prefetch" href="/plana/assets/js/577.340a24d3.js"><link rel="prefetch" href="/plana/assets/js/578.1e87e5de.js"><link rel="prefetch" href="/plana/assets/js/579.ba400d0d.js"><link rel="prefetch" href="/plana/assets/js/58.6d7395ff.js"><link rel="prefetch" href="/plana/assets/js/580.8470a6ab.js"><link rel="prefetch" href="/plana/assets/js/581.24b8fa46.js"><link rel="prefetch" href="/plana/assets/js/582.11991e75.js"><link rel="prefetch" href="/plana/assets/js/583.1af0e850.js"><link rel="prefetch" href="/plana/assets/js/584.b671635d.js"><link rel="prefetch" href="/plana/assets/js/585.5ec10dae.js"><link rel="prefetch" href="/plana/assets/js/586.cf868939.js"><link rel="prefetch" href="/plana/assets/js/587.e937242b.js"><link rel="prefetch" href="/plana/assets/js/588.9993b844.js"><link rel="prefetch" href="/plana/assets/js/589.040b58f8.js"><link rel="prefetch" href="/plana/assets/js/59.d91c7a50.js"><link rel="prefetch" href="/plana/assets/js/590.7f347f61.js"><link rel="prefetch" href="/plana/assets/js/591.3acb8a8d.js"><link rel="prefetch" href="/plana/assets/js/592.c0fecc8a.js"><link rel="prefetch" href="/plana/assets/js/593.0ee76323.js"><link rel="prefetch" href="/plana/assets/js/594.7e15bb85.js"><link rel="prefetch" href="/plana/assets/js/595.b5540278.js"><link rel="prefetch" href="/plana/assets/js/596.2996c0fa.js"><link rel="prefetch" href="/plana/assets/js/597.3a3b9a07.js"><link rel="prefetch" href="/plana/assets/js/598.510c6ec5.js"><link rel="prefetch" href="/plana/assets/js/599.f7cd0ab9.js"><link rel="prefetch" href="/plana/assets/js/6.23e42cf9.js"><link rel="prefetch" href="/plana/assets/js/60.12c2a97e.js"><link rel="prefetch" href="/plana/assets/js/600.3a511d88.js"><link rel="prefetch" href="/plana/assets/js/601.1620fe4a.js"><link rel="prefetch" href="/plana/assets/js/602.92820a4e.js"><link rel="prefetch" href="/plana/assets/js/603.fa3b8f68.js"><link rel="prefetch" href="/plana/assets/js/604.a75f5d11.js"><link rel="prefetch" href="/plana/assets/js/605.6e16e44e.js"><link rel="prefetch" href="/plana/assets/js/606.3ca54f7c.js"><link rel="prefetch" href="/plana/assets/js/607.ed2521fd.js"><link rel="prefetch" href="/plana/assets/js/608.83c6a7b7.js"><link rel="prefetch" href="/plana/assets/js/609.cc5d05f6.js"><link rel="prefetch" href="/plana/assets/js/61.57554021.js"><link rel="prefetch" href="/plana/assets/js/610.e114869f.js"><link rel="prefetch" href="/plana/assets/js/611.4dfe17f1.js"><link rel="prefetch" href="/plana/assets/js/612.e9e7cdd9.js"><link rel="prefetch" href="/plana/assets/js/613.52fab004.js"><link rel="prefetch" href="/plana/assets/js/614.03e68635.js"><link rel="prefetch" href="/plana/assets/js/615.b5b202c3.js"><link rel="prefetch" href="/plana/assets/js/616.55d3ec0f.js"><link rel="prefetch" href="/plana/assets/js/617.caa80506.js"><link rel="prefetch" href="/plana/assets/js/618.97c71cdd.js"><link rel="prefetch" href="/plana/assets/js/619.506d3336.js"><link rel="prefetch" href="/plana/assets/js/62.c471c2b6.js"><link rel="prefetch" href="/plana/assets/js/620.d265d33b.js"><link rel="prefetch" href="/plana/assets/js/621.c7274a04.js"><link rel="prefetch" href="/plana/assets/js/622.78f88193.js"><link rel="prefetch" href="/plana/assets/js/623.460ecfe4.js"><link rel="prefetch" href="/plana/assets/js/624.af5db8f4.js"><link rel="prefetch" href="/plana/assets/js/625.b8b56400.js"><link rel="prefetch" href="/plana/assets/js/626.5f935139.js"><link rel="prefetch" href="/plana/assets/js/627.5eae5139.js"><link rel="prefetch" href="/plana/assets/js/628.b76c4230.js"><link rel="prefetch" href="/plana/assets/js/629.b5df5447.js"><link rel="prefetch" href="/plana/assets/js/63.a859b22b.js"><link rel="prefetch" href="/plana/assets/js/630.b4353e1e.js"><link rel="prefetch" href="/plana/assets/js/631.f52d250f.js"><link rel="prefetch" href="/plana/assets/js/632.fb3cd435.js"><link rel="prefetch" href="/plana/assets/js/633.d11743c5.js"><link rel="prefetch" href="/plana/assets/js/634.f274f0f2.js"><link rel="prefetch" href="/plana/assets/js/635.e4b93eee.js"><link rel="prefetch" href="/plana/assets/js/636.ddfe36dc.js"><link rel="prefetch" href="/plana/assets/js/637.773dfbf9.js"><link rel="prefetch" href="/plana/assets/js/638.5d3283ef.js"><link rel="prefetch" href="/plana/assets/js/639.1182aa0e.js"><link rel="prefetch" href="/plana/assets/js/64.3933d035.js"><link rel="prefetch" href="/plana/assets/js/640.fc30215e.js"><link rel="prefetch" href="/plana/assets/js/641.8fa04f8c.js"><link rel="prefetch" href="/plana/assets/js/642.9adc9013.js"><link rel="prefetch" href="/plana/assets/js/643.c553c77d.js"><link rel="prefetch" href="/plana/assets/js/644.f45f12bc.js"><link rel="prefetch" href="/plana/assets/js/645.45551213.js"><link rel="prefetch" href="/plana/assets/js/646.20f8455d.js"><link rel="prefetch" href="/plana/assets/js/647.f83d8512.js"><link rel="prefetch" href="/plana/assets/js/648.d2116c6d.js"><link rel="prefetch" href="/plana/assets/js/649.7c63bf5a.js"><link rel="prefetch" href="/plana/assets/js/65.c73421f0.js"><link rel="prefetch" href="/plana/assets/js/650.a8d4d68c.js"><link rel="prefetch" href="/plana/assets/js/651.660dc950.js"><link rel="prefetch" href="/plana/assets/js/652.e4a8d299.js"><link rel="prefetch" href="/plana/assets/js/653.d5cb1829.js"><link rel="prefetch" href="/plana/assets/js/654.06347c17.js"><link rel="prefetch" href="/plana/assets/js/655.1407708a.js"><link rel="prefetch" href="/plana/assets/js/656.c8c6bc8b.js"><link rel="prefetch" href="/plana/assets/js/657.5bfffe54.js"><link rel="prefetch" href="/plana/assets/js/658.548e92c7.js"><link rel="prefetch" href="/plana/assets/js/659.e6f86d89.js"><link rel="prefetch" href="/plana/assets/js/66.db88a898.js"><link rel="prefetch" href="/plana/assets/js/660.68b4f9c1.js"><link rel="prefetch" href="/plana/assets/js/661.7c1843eb.js"><link rel="prefetch" href="/plana/assets/js/662.fd5c9c14.js"><link rel="prefetch" href="/plana/assets/js/663.2a29079b.js"><link rel="prefetch" href="/plana/assets/js/664.f7e273fb.js"><link rel="prefetch" href="/plana/assets/js/665.92739f4f.js"><link rel="prefetch" href="/plana/assets/js/666.c9dfc4da.js"><link rel="prefetch" href="/plana/assets/js/667.e4e37653.js"><link rel="prefetch" href="/plana/assets/js/668.753f6377.js"><link rel="prefetch" href="/plana/assets/js/669.26bfae22.js"><link rel="prefetch" href="/plana/assets/js/67.ad91902f.js"><link rel="prefetch" href="/plana/assets/js/670.a70329fc.js"><link rel="prefetch" href="/plana/assets/js/671.11637c8c.js"><link rel="prefetch" href="/plana/assets/js/672.9a3410bf.js"><link rel="prefetch" href="/plana/assets/js/673.5f4041b7.js"><link rel="prefetch" href="/plana/assets/js/674.7a725878.js"><link rel="prefetch" href="/plana/assets/js/675.d55427e9.js"><link rel="prefetch" href="/plana/assets/js/676.eb15c05a.js"><link rel="prefetch" href="/plana/assets/js/677.98c18ede.js"><link rel="prefetch" href="/plana/assets/js/678.db86b061.js"><link rel="prefetch" href="/plana/assets/js/679.972243d8.js"><link rel="prefetch" href="/plana/assets/js/68.3e6dcf8f.js"><link rel="prefetch" href="/plana/assets/js/680.d9e2eba1.js"><link rel="prefetch" href="/plana/assets/js/681.8e0783ae.js"><link rel="prefetch" href="/plana/assets/js/682.a0c2e943.js"><link rel="prefetch" href="/plana/assets/js/683.d9a0e0b6.js"><link rel="prefetch" href="/plana/assets/js/684.19b16b09.js"><link rel="prefetch" href="/plana/assets/js/685.1dfde878.js"><link rel="prefetch" href="/plana/assets/js/686.5ebd864b.js"><link rel="prefetch" href="/plana/assets/js/687.9d3c3ee0.js"><link rel="prefetch" href="/plana/assets/js/688.7a8d52a4.js"><link rel="prefetch" href="/plana/assets/js/689.43733f87.js"><link rel="prefetch" href="/plana/assets/js/69.0c93e68b.js"><link rel="prefetch" href="/plana/assets/js/690.b3cc0545.js"><link rel="prefetch" href="/plana/assets/js/691.f0c9f432.js"><link rel="prefetch" href="/plana/assets/js/692.fe5d277f.js"><link rel="prefetch" href="/plana/assets/js/693.f2a5bc91.js"><link rel="prefetch" href="/plana/assets/js/694.0afc8ee3.js"><link rel="prefetch" href="/plana/assets/js/695.02d143c2.js"><link rel="prefetch" href="/plana/assets/js/696.fc35e844.js"><link rel="prefetch" href="/plana/assets/js/697.59baff52.js"><link rel="prefetch" href="/plana/assets/js/698.32395aca.js"><link rel="prefetch" href="/plana/assets/js/699.49a455e0.js"><link rel="prefetch" href="/plana/assets/js/7.4d84b003.js"><link rel="prefetch" href="/plana/assets/js/70.02b035df.js"><link rel="prefetch" href="/plana/assets/js/71.50c27702.js"><link rel="prefetch" href="/plana/assets/js/72.d0b51e9d.js"><link rel="prefetch" href="/plana/assets/js/73.88fbc437.js"><link rel="prefetch" href="/plana/assets/js/74.4323b154.js"><link rel="prefetch" href="/plana/assets/js/75.c07fede3.js"><link rel="prefetch" href="/plana/assets/js/76.d17b982e.js"><link rel="prefetch" href="/plana/assets/js/77.2c2c823d.js"><link rel="prefetch" href="/plana/assets/js/78.6339cdb8.js"><link rel="prefetch" href="/plana/assets/js/79.08610500.js"><link rel="prefetch" href="/plana/assets/js/8.28fd7fea.js"><link rel="prefetch" href="/plana/assets/js/80.fd045bb2.js"><link rel="prefetch" href="/plana/assets/js/81.c563629a.js"><link rel="prefetch" href="/plana/assets/js/82.f186782c.js"><link rel="prefetch" href="/plana/assets/js/83.5b829c7f.js"><link rel="prefetch" href="/plana/assets/js/84.0edd8a25.js"><link rel="prefetch" href="/plana/assets/js/85.cb1c8ff9.js"><link rel="prefetch" href="/plana/assets/js/86.6e0b2f9b.js"><link rel="prefetch" href="/plana/assets/js/87.36b6b2f5.js"><link rel="prefetch" href="/plana/assets/js/88.a23a2afa.js"><link rel="prefetch" href="/plana/assets/js/89.765b2b9d.js"><link rel="prefetch" href="/plana/assets/js/9.59274a6f.js"><link rel="prefetch" href="/plana/assets/js/90.a62aad9b.js"><link rel="prefetch" href="/plana/assets/js/91.96d9b5fa.js"><link rel="prefetch" href="/plana/assets/js/92.b7f7e048.js"><link rel="prefetch" href="/plana/assets/js/93.c7a06bfe.js"><link rel="prefetch" href="/plana/assets/js/94.097b631a.js"><link rel="prefetch" href="/plana/assets/js/95.cdb222d4.js"><link rel="prefetch" href="/plana/assets/js/96.5a864796.js"><link rel="prefetch" href="/plana/assets/js/97.7478b98b.js"><link rel="prefetch" href="/plana/assets/js/98.c9fff4ca.js"><link rel="prefetch" href="/plana/assets/js/99.1e106589.js">
    <link rel="stylesheet" href="/plana/assets/css/0.styles.e9cba6b3.css">
  </head>
  <body>
    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/plana/" class="home-link router-link-active"><!----> <span class="site-name">Plana(方案A)</span></a> <div class="links"><div class="search-box"><input aria-label="Search" autocomplete="off" spellcheck="false" value=""> <!----></div> <nav class="nav-links can-hide"><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="Service Java(者)" class="dropdown-title"><span class="title">Service Java(者)</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch1-core-oop/" class="nav-link">
  Core Oop
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch2-utils-crud/" class="nav-link">
  Utils Crud
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch3-web-springboot/" class="nav-link">
  Web Springboot
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch4-micro-cloud/" class="nav-link">
  Micro Cloud
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch5-devops-native/" class="nav-link">
  Devops Native
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch6-platform-faas/" class="nav-link">
  Platform Faas
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch7-perf-jvm/" class="nav-link">
  Perf Jvm
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch8-arch-pmp/" class="nav-link">
  Arch Pmp
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch9-code-interview/" class="nav-link">
  Code Interview
</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="Ui Javascript(皆)" class="dropdown-title"><span class="title">Ui Javascript(皆)</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch1-core-prototype/" class="nav-link router-link-active">
  Core Prototype
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch2-web3-html5/" class="nav-link">
  Web3 Html5
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch3-component-mvc/" class="nav-link">
  Component Mvc
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch4-service-nodejs/" class="nav-link">
  Service Nodejs
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch5-devops-scaffold/" class="nav-link">
  Devops Scaffold
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch6-hybrid-webapp/" class="nav-link">
  Hybrid Webapp
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch7-visualizing-chart/" class="nav-link">
  Visualizing Chart
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch8-interaction-gl/" class="nav-link">
  Interaction Gl
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch9-code-interview/" class="nav-link">
  Code Interview
</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="Data Python(数)" class="dropdown-title"><span class="title">Data Python(数)</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch1-core-pymath/" class="nav-link">
  Core Pymath
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch2-utils-dataset/" class="nav-link">
  Utils Dataset
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch3-service-flask/" class="nav-link">
  Service Flask
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch4-bigdata-analysis/" class="nav-link">
  Bigdata Analysis
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch5-devops-auto/" class="nav-link">
  Devops Auto
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch6-ai-machine/" class="nav-link">
  Ai Machine
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch7-visualizing-gui/" class="nav-link">
  Visualizing Gui
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch8-control-embed/" class="nav-link">
  Control Embed
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch9-code-interview/" class="nav-link">
  Code Interview
</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="关于" class="dropdown-title"><span class="title">关于</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="https://github.com/luo0412" target="_blank" rel="noopener noreferrer" class="nav-link external">
  Github
  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li><li class="dropdown-item"><!----> <a href="/plana/about-me.html" class="nav-link">
  关于我
</a></li><li class="dropdown-item"><!----> <a href="/plana/md-style.html" class="nav-link">
  笔记风格
</a></li><li class="dropdown-item"><!----> <a href="/plana/related-links.html" class="nav-link">
  友情链接
</a></li></ul></div></div> <!----></nav></div></header> <div class="sidebar-mask"></div> <aside class="sidebar"><nav class="nav-links"><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="Service Java(者)" class="dropdown-title"><span class="title">Service Java(者)</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch1-core-oop/" class="nav-link">
  Core Oop
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch2-utils-crud/" class="nav-link">
  Utils Crud
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch3-web-springboot/" class="nav-link">
  Web Springboot
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch4-micro-cloud/" class="nav-link">
  Micro Cloud
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch5-devops-native/" class="nav-link">
  Devops Native
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch6-platform-faas/" class="nav-link">
  Platform Faas
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch7-perf-jvm/" class="nav-link">
  Perf Jvm
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch8-arch-pmp/" class="nav-link">
  Arch Pmp
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.3.service-java/ch9-code-interview/" class="nav-link">
  Code Interview
</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="Ui Javascript(皆)" class="dropdown-title"><span class="title">Ui Javascript(皆)</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch1-core-prototype/" class="nav-link router-link-active">
  Core Prototype
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch2-web3-html5/" class="nav-link">
  Web3 Html5
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch3-component-mvc/" class="nav-link">
  Component Mvc
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch4-service-nodejs/" class="nav-link">
  Service Nodejs
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch5-devops-scaffold/" class="nav-link">
  Devops Scaffold
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch6-hybrid-webapp/" class="nav-link">
  Hybrid Webapp
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch7-visualizing-chart/" class="nav-link">
  Visualizing Chart
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch8-interaction-gl/" class="nav-link">
  Interaction Gl
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.4.ui-javascript/ch9-code-interview/" class="nav-link">
  Code Interview
</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="Data Python(数)" class="dropdown-title"><span class="title">Data Python(数)</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch1-core-pymath/" class="nav-link">
  Core Pymath
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch2-utils-dataset/" class="nav-link">
  Utils Dataset
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch3-service-flask/" class="nav-link">
  Service Flask
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch4-bigdata-analysis/" class="nav-link">
  Bigdata Analysis
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch5-devops-auto/" class="nav-link">
  Devops Auto
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch6-ai-machine/" class="nav-link">
  Ai Machine
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch7-visualizing-gui/" class="nav-link">
  Visualizing Gui
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch8-control-embed/" class="nav-link">
  Control Embed
</a></li><li class="dropdown-item"><!----> <a href="/plana/nav.5.data-python/ch9-code-interview/" class="nav-link">
  Code Interview
</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="关于" class="dropdown-title"><span class="title">关于</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="https://github.com/luo0412" target="_blank" rel="noopener noreferrer" class="nav-link external">
  Github
  <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li><li class="dropdown-item"><!----> <a href="/plana/about-me.html" class="nav-link">
  关于我
</a></li><li class="dropdown-item"><!----> <a href="/plana/md-style.html" class="nav-link">
  笔记风格
</a></li><li class="dropdown-item"><!----> <a href="/plana/related-links.html" class="nav-link">
  友情链接
</a></li></ul></div></div> <!----></nav>  <ul class="sidebar-links"><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/" aria-current="page" class="sidebar-link">README</a></li><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/01--ji-chu--jing-dianjavascript-ecma5.html" class="sidebar-link">[基础]经典JavaScript(ECMA5)</a></li><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/03-note-javascript-quan-wei-zhi-nan-2012-v6.html" class="sidebar-link">[Note]JavaScript权威指南(v6)</a></li><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/05-note-javascript-mian-xiang-dui-xiang--bian-cheng-zhi-nan-201501.html" aria-current="page" class="active sidebar-link">[Note]JavaScript面向对象编程指南</a></li><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/08--ti-gang-javascript--cha-lou-bu-que--nei-shang.html" class="sidebar-link">[提纲]JavaScript-查漏补缺</a></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Babel</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/babel/01--ji-chu-babel.html" class="sidebar-link">[基础]Babel</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Ecma</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><section class="sidebar-group is-sub-group depth-1"><p class="sidebar-heading open"><span>Case</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/ecma/case/01--ji-chu-es2015.html" class="sidebar-link">[基础]ES2015</a></li></ul></section></li><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/ecma/02--ti-gang-ecma-biao-zhun.html" class="sidebar-link">[提纲]ECMA标准</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Mode</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/mode/01-javascript--han-shu-shi-bian-cheng.html" class="sidebar-link">[基础]JavaScript-函数式编程</a></li><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/mode/03-note--shen-ru-qian-churxjs-201805.html" class="sidebar-link">[Note]深入浅出Rxjs</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Typescript</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><section class="sidebar-group is-sub-group depth-1"><p class="sidebar-heading open"><span>Old</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/typescript/old/01--ji-chu-flow-type.html" class="sidebar-link">[基础]flow-type</a></li></ul></section></li><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/typescript/01--ji-chu-typescript.html" class="sidebar-link">[基础]TypeScript</a></li><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/typescript/02--ti-gang-typescript--ji-qiao-yu-zui-jia-shi-jian.html" class="sidebar-link">[提纲]TypeScript技巧与最佳实践</a></li><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/typescript/03--sheng-tai-typescript--mo-ban.html" class="sidebar-link">[生态]TypeScript-模板</a></li><li><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/typescript/04-note--shen-ru-li-jietypescript-202002.html" class="sidebar-link">[Note]深入理解TypeScript</a></li></ul></section></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="note-javascript面向对象编程指南"><a href="#note-javascript面向对象编程指南" class="header-anchor">#</a> [Note]JavaScript面向对象编程指南</h1> <ul><li>摘自《javaScript面向对象编程指南(第2版)》chapter 6
<ul><li><a href="https://github.com/batmanimal/object-oriented-js" target="_blank" rel="noopener noreferrer">https://github.com/batmanimal/object-oriented-js<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li> <li><a href="https://github.com/Lvqx/ooptest" target="_blank" rel="noopener noreferrer">https://github.com/Lvqx/ooptest<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li> <li>学习笔记 <a href="http://www.cnblogs.com/zengFyzL/" target="_blank" rel="noopener noreferrer">http://www.cnblogs.com/zengFyzL/<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li></ul></li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token comment">// 分类方式</span>

基于构造器或对象
是否使用原型或执行属性拷贝
</code></pre></div><ul><li><p>深入JavaScript继承原理</p> <ul><li><a href="https://juejin.im/post/5a96d78ef265da4e9311b4d8" target="_blank" rel="noopener noreferrer">https://juejin.im/post/5a96d78ef265da4e9311b4d8<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li></ul></li> <li><p>JavaScript深入之继承的多种方式和优缺点 @nice</p> <ul><li><a href="https://juejin.im/post/591523588d6d8100585ba595" target="_blank" rel="noopener noreferrer">https://juejin.im/post/591523588d6d8100585ba595<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li></ul></li> <li><p>重新理解JavaScript的6种继承方式</p> <ul><li><a href="https://www.cnblogs.com/ayqy/p/4471638.html" target="_blank" rel="noopener noreferrer">https://www.cnblogs.com/ayqy/p/4471638.html<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li> <li>简单原型链 Sub.prototype = new Super();</li> <li>借用构造函数 Super.call(this, val);</li> <li>组合继承（最常用）Sub.prototype = new Super(); + Super.call(this, val);</li> <li>原型式</li> <li>寄生式(给原型式继承穿了个马甲而已，看起来更像继承了) ：创建新对象 -&gt; 增强 -&gt; 返回该对象</li> <li>寄生组合继承（最佳方式）有缺陷的寄生式继承 + 不完美的组合继承 = 完美的寄生组合式继承</li></ul></li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token comment">// 寄生组合继承</span>
<span class="token keyword">function</span> <span class="token function">beget</span><span class="token punctuation">(</span><span class="token parameter">obj</span><span class="token punctuation">)</span><span class="token punctuation">{</span>   <span class="token comment">// 生孩子函数 beget：龙beget龙，凤beget凤。</span>
    <span class="token keyword">var</span> <span class="token function-variable function">F</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">;</span>
    <span class="token class-name">F</span><span class="token punctuation">.</span>prototype <span class="token operator">=</span> obj<span class="token punctuation">;</span>
    <span class="token keyword">return</span> <span class="token keyword">new</span> <span class="token class-name">F</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">function</span> <span class="token function">Super</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    <span class="token comment">// 只在此处声明基本属性和引用属性</span>
    <span class="token keyword">this</span><span class="token punctuation">.</span>val <span class="token operator">=</span> <span class="token number">1</span><span class="token punctuation">;</span>
    <span class="token keyword">this</span><span class="token punctuation">.</span>arr <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">//  在此处声明函数</span>
<span class="token class-name">Super</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span><span class="token function-variable function">fun1</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">;</span>
<span class="token class-name">Super</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span><span class="token function-variable function">fun2</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">;</span>
<span class="token comment">//Super.prototype.fun3...</span>
<span class="token keyword">function</span> <span class="token function">Sub</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    <span class="token function">Super</span><span class="token punctuation">.</span><span class="token function">call</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">)</span><span class="token punctuation">;</span>   <span class="token comment">// 核心</span>
    <span class="token comment">// ...</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> proto <span class="token operator">=</span> <span class="token function">beget</span><span class="token punctuation">(</span><span class="token class-name">Super</span><span class="token punctuation">.</span>prototype<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// 核心</span>
proto<span class="token punctuation">.</span>constructor <span class="token operator">=</span> Sub<span class="token punctuation">;</span>            <span class="token comment">// 核心</span>
<span class="token class-name">Sub</span><span class="token punctuation">.</span>prototype <span class="token operator">=</span> proto<span class="token punctuation">;</span>              <span class="token comment">// 核心</span>

<span class="token keyword">var</span> sub <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Sub</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">alert</span><span class="token punctuation">(</span>sub<span class="token punctuation">.</span>val<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">alert</span><span class="token punctuation">(</span>sub<span class="token punctuation">.</span>arr<span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><h1 id="面向对象-原理实现"><a href="#面向对象-原理实现" class="header-anchor">#</a> 面向对象-原理实现</h1> <h1 id="原型链法"><a href="#原型链法" class="header-anchor">#</a> 原型链法</h1> <blockquote><p>(第1种)原型链法(仿传统) Child.prototype = new Parent();</p></blockquote> <ul><li>把可重用部分迁移到原型链，不可重用部分设置为对象自身的属性</li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">function</span> <span class="token function">Shape</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">this</span><span class="token punctuation">.</span>_final <span class="token operator">=</span>  <span class="token string">&quot;final&quot;</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token class-name">Shape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'shape'</span><span class="token punctuation">;</span>
<span class="token class-name">Shape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span><span class="token function-variable function">toString</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name<span class="token punctuation">;</span>
<span class="token punctuation">}</span>

<span class="token keyword">function</span> <span class="token function">TwoDShape</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token class-name">TwoDShape</span><span class="token punctuation">.</span>prototype <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Shape</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token class-name">TwoDShape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>constructor <span class="token operator">=</span> TwoDShape<span class="token punctuation">;</span>
<span class="token class-name">TwoDShape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'2D shape'</span><span class="token punctuation">;</span>

<span class="token keyword">function</span> <span class="token function">Triangle</span><span class="token punctuation">(</span><span class="token parameter">side<span class="token punctuation">,</span>height</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">this</span><span class="token punctuation">.</span>side <span class="token operator">=</span> side<span class="token punctuation">;</span>
  <span class="token keyword">this</span><span class="token punctuation">.</span>height <span class="token operator">=</span> height<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token class-name">Triangle</span><span class="token punctuation">.</span>prototype <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">TwoDShape</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token class-name">Triangle</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>constructor <span class="token operator">=</span> Triangle<span class="token punctuation">;</span>

<span class="token class-name">Triangle</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'Triangle'</span><span class="token punctuation">;</span>
<span class="token class-name">Triangle</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span><span class="token function-variable function">getArea</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>side <span class="token operator">*</span> <span class="token keyword">this</span><span class="token punctuation">.</span>height <span class="token operator">/</span> <span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> triangle <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Triangle</span><span class="token punctuation">(</span><span class="token number">5</span><span class="token punctuation">,</span><span class="token number">10</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
triangle<span class="token punctuation">.</span><span class="token function">getArea</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><hr> <h1 id="仅从原型继承法"><a href="#仅从原型继承法" class="header-anchor">#</a> 仅从原型继承法</h1> <blockquote><p>(第2种)仅从原型继承法 Child.prototype = Parent.prototype;</p></blockquote> <ul><li>原型拷贝，不存在原型链，所有对象共享一个原型对象</li> <li>不用新建对象，效率更高</li> <li>缺点是对子对象的修改会影响到父对象</li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">function</span> <span class="token function">Shape</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token class-name">Shape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'shap'</span><span class="token punctuation">;</span>
<span class="token class-name">Shape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span><span class="token function-variable function">toString</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name<span class="token punctuation">;</span>
<span class="token punctuation">}</span>

<span class="token keyword">function</span> <span class="token function">TwoDShape</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token comment">// 区别</span>
<span class="token class-name">TwoDShape</span><span class="token punctuation">.</span>prototype <span class="token operator">=</span> <span class="token class-name">Shape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">;</span>
<span class="token class-name">TwoDShape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>constructor <span class="token operator">=</span> TwoDShape<span class="token punctuation">;</span>
<span class="token class-name">TwoDShape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'2D shape'</span><span class="token punctuation">;</span>

<span class="token keyword">function</span> <span class="token function">Triangle</span><span class="token punctuation">(</span><span class="token parameter">side<span class="token punctuation">,</span>height</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">this</span><span class="token punctuation">.</span>side <span class="token operator">=</span> side<span class="token punctuation">;</span>
  <span class="token keyword">this</span><span class="token punctuation">.</span>height <span class="token operator">=</span> height<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token class-name">Triangle</span><span class="token punctuation">.</span>prototype <span class="token operator">=</span> <span class="token class-name">TwoDShape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">;</span>
<span class="token class-name">Triangle</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>constructor <span class="token operator">=</span> Triangle<span class="token punctuation">;</span>

<span class="token class-name">Triangle</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'Triangle'</span><span class="token punctuation">;</span>
<span class="token class-name">Triangle</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span><span class="token function-variable function">getArea</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>side <span class="token operator">*</span> <span class="token keyword">this</span><span class="token punctuation">.</span>height<span class="token punctuation">)</span> <span class="token operator">/</span> <span class="token number">2</span><span class="token punctuation">;</span>
  <span class="token comment">// console.log(1);</span>
<span class="token punctuation">}</span>
</code></pre></div><h1 id="临时构造器"><a href="#临时构造器" class="header-anchor">#</a> 临时构造器</h1> <blockquote><p>(第3种)临时构造器法 extend: new F() + uber</p></blockquote> <ul><li>基于构造器工作模式</li> <li>只继承父对象的原型属性，不继承父对象的自身属性(构造器this追加)</li> <li>使用uber方便访问父对象</li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">function</span> <span class="token function">Person</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token class-name">Person</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'person'</span><span class="token punctuation">;</span>
<span class="token class-name">Person</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span><span class="token function-variable function">sleep</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
 <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name <span class="token operator">+</span> <span class="token string">'睡觉'</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>

<span class="token keyword">function</span> <span class="token function">Teacher</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token class-name">Teacher</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'teacher'</span><span class="token punctuation">;</span>

<span class="token keyword">function</span> <span class="token function">extend</span><span class="token punctuation">(</span><span class="token parameter">Child<span class="token punctuation">,</span> Parent</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
   <span class="token comment">// function F() {}</span>
   <span class="token keyword">var</span> <span class="token function-variable function">F</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
   <span class="token class-name">F</span><span class="token punctuation">.</span>prototype <span class="token operator">=</span> <span class="token class-name">Parent</span><span class="token punctuation">.</span>prototype<span class="token punctuation">;</span>
   <span class="token class-name">Child</span><span class="token punctuation">.</span>prototype <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">F</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
   <span class="token class-name">Child</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>constructor <span class="token operator">=</span> Child<span class="token punctuation">;</span>
   Child<span class="token punctuation">.</span>uber <span class="token operator">=</span> <span class="token class-name">Parent</span><span class="token punctuation">.</span>prototype<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token function">extend</span><span class="token punctuation">(</span>Teacher<span class="token punctuation">,</span>Person<span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><h1 id="原型属性拷贝法"><a href="#原型属性拷贝法" class="header-anchor">#</a> 原型属性拷贝法</h1> <blockquote><p>(第4种)原型属性拷贝法 extend2: for copy... + uber</p></blockquote> <ul><li>无需为继承单独创建对象实例</li> <li>原型链相对更短</li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">function</span> <span class="token function">extend2</span><span class="token punctuation">(</span><span class="token parameter">Child<span class="token punctuation">,</span>Parent</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">var</span> p <span class="token operator">=</span> <span class="token class-name">Parent</span><span class="token punctuation">.</span>prototype<span class="token punctuation">;</span>
  <span class="token keyword">var</span> c<span class="token operator">=</span> <span class="token class-name">Child</span><span class="token punctuation">.</span>prototype<span class="token punctuation">;</span>
  <span class="token keyword">for</span><span class="token punctuation">(</span><span class="token keyword">var</span> i <span class="token keyword">in</span> p<span class="token punctuation">)</span> <span class="token punctuation">{</span>
    c<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">=</span> p<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
  c<span class="token punctuation">.</span>uber <span class="token operator">=</span> p<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> <span class="token function-variable function">Shape</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token keyword">var</span> <span class="token function-variable function">TwoDShape</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token class-name">Shape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'shape'</span><span class="token punctuation">;</span>
<span class="token class-name">Shape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span><span class="token function-variable function">toString</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token class-name">TwoDShape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'2D shape'</span><span class="token punctuation">;</span>
<span class="token function">extend2</span><span class="token punctuation">(</span>TwoDShape<span class="token punctuation">,</span>Shape<span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><h1 id="深浅拷贝法"><a href="#深浅拷贝法" class="header-anchor">#</a> 深浅拷贝法</h1> <blockquote><p>(第5、6种)浅/深拷贝法(2种) extendCopy + return</p></blockquote> <ul><li>基于对象，拷贝属性</li> <li>浅拷贝 即属性全拷贝法</li> <li>区别于浅拷贝, 深拷贝遇到对象类型是重复调用拷贝(值传递)</li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token comment">// 浅拷贝</span>
<span class="token keyword">function</span> <span class="token function">extendCopy</span><span class="token punctuation">(</span><span class="token parameter">p</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">var</span> c <span class="token operator">=</span> <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">;</span>
  <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">var</span> i <span class="token keyword">in</span> p<span class="token punctuation">)</span> <span class="token punctuation">{</span>
      c<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">=</span> p<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
  c<span class="token punctuation">.</span>uber <span class="token operator">=</span> p<span class="token punctuation">;</span>
  <span class="token keyword">return</span> c<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> shape <span class="token operator">=</span> <span class="token punctuation">{</span>
    name<span class="token operator">:</span> <span class="token string">'shap'</span><span class="token punctuation">,</span>
    <span class="token function-variable function">toString</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
        <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name<span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> twoDee <span class="token operator">=</span> <span class="token function">extendCopy</span><span class="token punctuation">(</span>shape<span class="token punctuation">)</span><span class="token punctuation">;</span>
twoDee<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'2D shape'</span><span class="token punctuation">;</span>
twoDee<span class="token punctuation">.</span><span class="token function-variable function">toString</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>uber<span class="token punctuation">.</span><span class="token function">toString</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">', '</span> <span class="token operator">+</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> triangle <span class="token operator">=</span> <span class="token function">extendCopy</span><span class="token punctuation">(</span>twoDee<span class="token punctuation">)</span><span class="token punctuation">;</span>
triangle<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'Triangle'</span><span class="token punctuation">;</span>
triangle<span class="token punctuation">.</span><span class="token function-variable function">getArea</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>side <span class="token operator">*</span> <span class="token keyword">this</span><span class="token punctuation">.</span>height <span class="token operator">/</span> <span class="token number">2</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>

<span class="token comment">// 深拷贝</span>
<span class="token keyword">function</span> <span class="token function">deepCopy</span><span class="token punctuation">(</span><span class="token parameter">p<span class="token punctuation">,</span>c</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">var</span> c <span class="token operator">=</span> c <span class="token operator">||</span> <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">;</span>
  <span class="token keyword">for</span><span class="token punctuation">(</span><span class="token keyword">var</span> i <span class="token keyword">in</span> p<span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">if</span><span class="token punctuation">(</span><span class="token keyword">typeof</span> p<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">===</span> <span class="token string">'object'</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
      c<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token punctuation">(</span>p<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">.</span>constructor <span class="token operator">===</span> Array<span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token punctuation">[</span><span class="token punctuation">]</span> <span class="token operator">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">;</span>
      <span class="token function">deepCopy</span><span class="token punctuation">(</span>p<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">,</span>c<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
      c<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">=</span> p<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
  <span class="token keyword">return</span> c<span class="token punctuation">;</span>
<span class="token punctuation">}</span>

<span class="token keyword">var</span> parent <span class="token operator">=</span> <span class="token punctuation">{</span>
  numbers<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">,</span><span class="token number">2</span><span class="token punctuation">,</span><span class="token number">3</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
  letters<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">'a'</span><span class="token punctuation">,</span><span class="token string">'b'</span><span class="token punctuation">,</span><span class="token string">'c'</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
  obj<span class="token operator">:</span> <span class="token punctuation">{</span>
    prop<span class="token operator">:</span> <span class="token number">1</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  bool<span class="token operator">:</span> <span class="token boolean">true</span>
<span class="token punctuation">}</span>
<span class="token comment">// var mydeep = deepCopy(parent)</span>
<span class="token comment">// undefined</span>
<span class="token comment">// var myshallow = extendCopy(parent)</span>
<span class="token comment">// undefined</span>
<span class="token comment">// mydeep.numbers.push(4,5,6)</span>
<span class="token comment">// 6</span>
<span class="token comment">// mydeep.numbers</span>
<span class="token comment">// [1, 2, 3, 4, 5, 6]</span>
<span class="token comment">// parent.numbers</span>
<span class="token comment">// [1, 2, 3]</span>
<span class="token comment">// myshallow.numbers.push(10)</span>
<span class="token comment">// 4</span>
<span class="token comment">// parent.numbers</span>
<span class="token comment">// [1, 2, 3, 10]</span>
<span class="token comment">// mydeep.numbers</span>
<span class="token comment">// [1, 2, 3, 4, 5, 6]</span>
</code></pre></div><h1 id="原型继承法"><a href="#原型继承法" class="header-anchor">#</a> 原型继承法</h1> <blockquote><p>(第7种)原型继承法 (F.prototype = o;) + return</p></blockquote> <ul><li>基于对象，直接在对象之间构建继承关系</li> <li>发挥原型固有优势</li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">function</span> <span class="token function">object</span><span class="token punctuation">(</span><span class="token parameter">o</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">var</span> n<span class="token punctuation">;</span>
    <span class="token keyword">function</span> <span class="token constant">F</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
    <span class="token class-name">F</span><span class="token punctuation">.</span>prototype <span class="token operator">=</span> o<span class="token punctuation">;</span>
    n <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">F</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    n<span class="token punctuation">.</span>uber <span class="token operator">=</span> o<span class="token punctuation">;</span>
    <span class="token keyword">return</span> n<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">function</span> <span class="token function">extendCopy</span><span class="token punctuation">(</span><span class="token parameter">p</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">var</span> c <span class="token operator">=</span> <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">;</span>
    <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">var</span> i <span class="token keyword">in</span> p<span class="token punctuation">)</span> <span class="token punctuation">{</span>
        c<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">=</span> p<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
    c<span class="token punctuation">.</span>uber <span class="token operator">=</span> p<span class="token punctuation">;</span>
    <span class="token keyword">return</span> c<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> shape <span class="token operator">=</span> <span class="token punctuation">{</span>
    name<span class="token operator">:</span> <span class="token string">'shap'</span><span class="token punctuation">,</span>
    <span class="token function-variable function">toString</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
        <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name<span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> twoDee <span class="token operator">=</span> <span class="token function">extendCopy</span><span class="token punctuation">(</span>shape<span class="token punctuation">)</span><span class="token punctuation">;</span>
twoDee<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'2D shape'</span><span class="token punctuation">;</span>
twoDee<span class="token punctuation">.</span><span class="token function-variable function">toString</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>uber<span class="token punctuation">.</span><span class="token function">toString</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">', '</span> <span class="token operator">+</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> triangle <span class="token operator">=</span> <span class="token function">object</span><span class="token punctuation">(</span>twoDee<span class="token punctuation">)</span><span class="token punctuation">;</span>
triangle<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'Triangle'</span><span class="token punctuation">;</span>
triangle<span class="token punctuation">.</span><span class="token function-variable function">getArea</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>side <span class="token operator">*</span> <span class="token keyword">this</span><span class="token punctuation">.</span>height <span class="token operator">/</span> <span class="token number">2</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</code></pre></div><h1 id="寄生继承法"><a href="#寄生继承法" class="header-anchor">#</a> 寄生继承法</h1> <blockquote><p>(第10种)寄生继承法 that = object(victim) + return</p></blockquote> <ul><li>通过一个类似构造器的函数来创建对象</li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">var</span> twoD <span class="token operator">=</span> <span class="token punctuation">{</span>
    name<span class="token operator">:</span> <span class="token string">'2D shape'</span><span class="token punctuation">,</span>
    dimensions<span class="token operator">:</span> <span class="token number">2</span>
<span class="token punctuation">}</span>

<span class="token keyword">function</span> <span class="token function">object</span><span class="token punctuation">(</span><span class="token parameter">o</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">var</span> n<span class="token punctuation">;</span>
    <span class="token keyword">function</span> <span class="token constant">F</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
    <span class="token class-name">F</span><span class="token punctuation">.</span>prototype <span class="token operator">=</span> o<span class="token punctuation">;</span>
    n <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">F</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    n<span class="token punctuation">.</span>uber <span class="token operator">=</span> o<span class="token punctuation">;</span>
    <span class="token keyword">return</span> n<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">function</span> <span class="token function">triangle</span><span class="token punctuation">(</span><span class="token parameter">s<span class="token punctuation">,</span> h</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">var</span> that <span class="token operator">=</span> <span class="token function">object</span><span class="token punctuation">(</span>twoD<span class="token punctuation">)</span><span class="token punctuation">;</span>
    that<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'Triangle'</span><span class="token punctuation">;</span>
    that<span class="token punctuation">.</span><span class="token function-variable function">getArea</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
        <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>side <span class="token operator">*</span> <span class="token keyword">this</span><span class="token punctuation">.</span>height <span class="token operator">/</span> <span class="token number">2</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span><span class="token punctuation">;</span>
    that<span class="token punctuation">.</span>side <span class="token operator">=</span> s<span class="token punctuation">;</span>
    that<span class="token punctuation">.</span>height <span class="token operator">=</span> h<span class="token punctuation">;</span>
    <span class="token keyword">return</span> that<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">/*
  &gt;var t = triangle(5,10);
  &lt;undefined
  &gt;t.dimensions
  &lt;2
  &gt;var t2 =new triangle(5,10)
  &lt;undefined
  &gt;t2.getArea()
  &lt;25
 */</span>
</code></pre></div><h1 id="构造器借用法"><a href="#构造器借用法" class="header-anchor">#</a> 构造器借用法</h1> <blockquote><p>(第11种)构造器借用法 Parent.apply(this,argument);</p></blockquote> <ul><li>只继承父对象的自身属性</li> <li>可结合原型链法</li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">function</span> <span class="token function">Shape</span><span class="token punctuation">(</span><span class="token parameter">id</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
   <span class="token keyword">this</span><span class="token punctuation">.</span>id <span class="token operator">=</span> id<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token class-name">Shape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'shape'</span><span class="token punctuation">;</span>
<span class="token class-name">Shape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span><span class="token function-variable function">toString</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
   <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">function</span> <span class="token function">Triangle</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
   <span class="token function">Shape</span><span class="token punctuation">.</span><span class="token function">apply</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">,</span> arguments<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token class-name">Triangle</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'Triangle'</span><span class="token punctuation">;</span>
<span class="token comment">// &gt;var t = new Triangle(101)</span>
<span class="token comment">// &lt;undefined</span>
<span class="token comment">// &gt;t.name;</span>
<span class="token comment">// &lt;&quot;Triangle&quot;</span>
<span class="token comment">// &gt;t.toString()</span>
<span class="token comment">// &lt;&quot;[object Object]&quot;</span>
<span class="token keyword">function</span> <span class="token function">Triangle</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
   <span class="token function">Shape</span><span class="token punctuation">.</span><span class="token function">apply</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">,</span> arguments<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token class-name">Triangle</span><span class="token punctuation">.</span>prototype <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Shape</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token class-name">Triangle</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'Triangle'</span><span class="token punctuation">;</span>
</code></pre></div><hr> <h1 id="混合扩展实现"><a href="#混合扩展实现" class="header-anchor">#</a> 混合扩展实现</h1> <h1 id="原型继承-属性拷贝"><a href="#原型继承-属性拷贝" class="header-anchor">#</a> 原型继承 + 属性拷贝</h1> <blockquote><p>(第8种)原型继承 + 属性拷贝</p></blockquote> <ul><li>通过一个函数一次性完成对象的继承与扩展</li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">function</span> <span class="token function">objectPlus</span><span class="token punctuation">(</span><span class="token parameter">o<span class="token punctuation">,</span> stuff</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">var</span> n<span class="token punctuation">;</span>
    <span class="token keyword">function</span> <span class="token constant">F</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
    <span class="token class-name">F</span><span class="token punctuation">.</span>prototype <span class="token operator">=</span> o<span class="token punctuation">;</span>
    n <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">F</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    n<span class="token punctuation">.</span>uber <span class="token operator">=</span> o<span class="token punctuation">;</span>
    <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">var</span> i <span class="token keyword">in</span> stuff<span class="token punctuation">)</span> <span class="token punctuation">{</span>
        n<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">=</span> stuff<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
    <span class="token keyword">return</span> n<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> shape <span class="token operator">=</span> <span class="token punctuation">{</span>
  name<span class="token operator">:</span> <span class="token string">'shape'</span><span class="token punctuation">,</span>
  <span class="token function-variable function">toString</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> twoDee <span class="token operator">=</span> <span class="token function">objectPlus</span><span class="token punctuation">(</span>shape<span class="token punctuation">,</span><span class="token punctuation">{</span>
  name<span class="token operator">:</span> <span class="token string">'2D shape'</span><span class="token punctuation">,</span>
  <span class="token function-variable function">toString</span> <span class="token operator">:</span><span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>uber<span class="token punctuation">.</span><span class="token function">toString</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">', '</span> <span class="token operator">+</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> triangle <span class="token operator">=</span> <span class="token function">objectPlus</span><span class="token punctuation">(</span>twoDee<span class="token punctuation">,</span> <span class="token punctuation">{</span>
  name<span class="token operator">:</span> <span class="token string">'Triangle'</span><span class="token punctuation">,</span>
  <span class="token function-variable function">getArea</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>side <span class="token operator">*</span> <span class="token keyword">this</span><span class="token punctuation">.</span>height <span class="token operator">/</span><span class="token number">2</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  side<span class="token operator">:</span><span class="token number">0</span><span class="token punctuation">,</span>
  height<span class="token operator">:</span><span class="token number">0</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre></div><h1 id="构造器借用-属性拷贝法"><a href="#构造器借用-属性拷贝法" class="header-anchor">#</a> 构造器借用 + 属性拷贝法</h1> <blockquote><p>(第12种)构造器借用 + 属性拷贝法 parent.apply(this,arguments) + extend2</p></blockquote> <ul><li>允许我们在不重复调用父对象构造器的情况下同时继承其自身属性和原型属性</li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">function</span> <span class="token function">extend2</span><span class="token punctuation">(</span><span class="token parameter">Child<span class="token punctuation">,</span> Parent</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">var</span> p <span class="token operator">=</span> <span class="token class-name">Parent</span><span class="token punctuation">.</span>prototype<span class="token punctuation">;</span>
    <span class="token keyword">var</span> c <span class="token operator">=</span> <span class="token class-name">Child</span><span class="token punctuation">.</span>prototype<span class="token punctuation">;</span>
    <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">var</span> i <span class="token keyword">in</span> p<span class="token punctuation">)</span> <span class="token punctuation">{</span>
        c<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">=</span> p<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
    c<span class="token punctuation">.</span>uber <span class="token operator">=</span> p<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">function</span> <span class="token function">Shape</span><span class="token punctuation">(</span><span class="token parameter">id</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">this</span><span class="token punctuation">.</span>id <span class="token operator">=</span> id<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token class-name">Shape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'shape'</span><span class="token punctuation">;</span>
<span class="token class-name">Shape</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span><span class="token function-variable function">toString</span> <span class="token operator">=</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">function</span> <span class="token function">Triangle</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token function">Shape</span><span class="token punctuation">.</span><span class="token function">apply</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">,</span>arguments<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token function">extend2</span><span class="token punctuation">(</span>Triangle<span class="token punctuation">,</span>Shape<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token class-name">Triangle</span><span class="token punctuation">.</span>prototype<span class="token punctuation">.</span>name <span class="token operator">=</span> <span class="token string">'Triangle'</span><span class="token punctuation">;</span>
<span class="token comment">// var t = new Triangle(101)</span>
<span class="token comment">// undefined</span>
<span class="token comment">// t.toString()</span>
<span class="token comment">// &quot;Triangle&quot;</span>
<span class="token comment">// t.id</span>
<span class="token comment">// 101</span>
<span class="token comment">//解决了多重继承的问题</span>
<span class="token comment">// typeof t.__proto__.id</span>
<span class="token comment">// &quot;undefined&quot;</span>
<span class="token comment">// t.uber.name</span>
<span class="token comment">// &quot;shape&quot;</span>
</code></pre></div><h1 id="多重继承"><a href="#多重继承" class="header-anchor">#</a> 多重继承</h1> <blockquote><p>(第9种)多重继承</p></blockquote> <ul><li>一种混合式插入</li> <li>按照父对象的出现顺序依次对他们执行属性全拷贝</li></ul> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">function</span> <span class="token function">multi</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">var</span> n <span class="token operator">=</span> <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">,</span>stuff<span class="token punctuation">,</span>j<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">,</span>len <span class="token operator">=</span> arguments<span class="token punctuation">.</span>length<span class="token punctuation">;</span>
  <span class="token keyword">for</span><span class="token punctuation">(</span>j <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span>j<span class="token operator">&lt;</span>len<span class="token punctuation">;</span>j<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    stuff <span class="token operator">=</span> arguments<span class="token punctuation">[</span>j<span class="token punctuation">]</span><span class="token punctuation">;</span>
    <span class="token keyword">for</span><span class="token punctuation">(</span><span class="token keyword">var</span> i <span class="token keyword">in</span> stuff<span class="token punctuation">)</span> <span class="token punctuation">{</span>
      n<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">=</span> stuff<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
  <span class="token keyword">return</span> n<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> shape <span class="token operator">=</span> <span class="token punctuation">{</span>
  name<span class="token operator">:</span> <span class="token string">'shape'</span><span class="token punctuation">,</span>
  <span class="token function-variable function">toString</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>name<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> twoDee <span class="token operator">=</span> <span class="token punctuation">{</span>
  name<span class="token operator">:</span> <span class="token string">'2D shape'</span><span class="token punctuation">,</span>
  dimensions<span class="token operator">:</span> <span class="token number">2</span>
<span class="token punctuation">}</span>
<span class="token keyword">var</span> triangle <span class="token operator">=</span> <span class="token function">multi</span><span class="token punctuation">(</span>shape<span class="token punctuation">,</span>twoDee<span class="token punctuation">,</span> <span class="token punctuation">{</span>
  name<span class="token operator">:</span> <span class="token string">'Triangle'</span><span class="token punctuation">,</span>
  <span class="token function-variable function">getArea</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">this</span><span class="token punctuation">.</span>side <span class="token operator">*</span> <span class="token keyword">this</span><span class="token punctuation">.</span>height <span class="token operator">/</span> <span class="token number">2</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  side<span class="token operator">:</span> <span class="token number">5</span><span class="token punctuation">,</span>
  height<span class="token operator">:</span> <span class="token number">10</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre></div></div> <footer class="page-edit"><!----> <!----></footer> <div class="page-nav"><p class="inner"><span class="prev">
      ←
      <a href="/plana/nav.4.ui-javascript/ch1-core-prototype/03-note-javascript-quan-wei-zhi-nan-2012-v6.html" class="prev">
        [Note]JavaScript权威指南(v6)
      </a></span> <span class="next"><a href="/plana/nav.4.ui-javascript/ch1-core-prototype/08--ti-gang-javascript--cha-lou-bu-que--nei-shang.html">
        [提纲]JavaScript-查漏补缺
      </a>
      →
    </span></p></div> </main></div><div class="global-ui"></div></div>
    <script src="/plana/assets/js/app.26a35d46.js" defer></script><script src="/plana/assets/js/2.b5bc497d.js" defer></script><script src="/plana/assets/js/324.059197e5.js" defer></script>
  </body>
</html>
